You have been subscribed to a public bug: ---Problem Description--- If I enable SRIOV in a Mellanox CX4 card while a PF interface is doing something like a ping flood. The PF interface will stop pinging. We found a small window were MMIO are bein g disabled during pci_enable_sriov is called. ---uname output--- 4.4.0-30-generic ---Additional Hardware Info--- It needs a Mellanox CX4 SRIOV capable to recreate this issue
Machine Type = P8 ---Steps to Reproduce--- just configure the IP address of PF interface and start like a ping flood to that interface. then do this echo to enable SRIOV on the PF. echo 8 > /sys/class/net/enP1p1s0f0/device/sriov_numvfs Then you will notice the ping flood will stop. A patch that will fix this issue was sent for review: https://patchwork.ozlabs.org/patch/671517/ ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Taco Screen team (taco-screen-team) Status: New ** Tags: architecture-ppc64le bugnameltc-146479 severity-high targetmilestone-inin1610 -- Ubuntu 16.10 KVM SRIOV: if enable sriov while ping flood is running ping will stop working https://bugs.launchpad.net/bugs/1625318 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
